<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>demo7</title>
    <script src="../build/react.js"></script>
    <script src="../build/react-dom.js"></script>
    <script src="https://unpkg.com/babel-core@5.8.38/browser.min.js"></script>
</head>
<body>
<div id="example"></div>
<script type='text/babel'>
var MyComponent = React.createClass({
    handleClick: function() {
        this.refs.myTextInput.focus();
    },
    render: function() {
        return (
            <div>
            <input type="text" name="" id="" ref='myTextInput'/>
            <input type="button" value='Focus the text input' onClick={this.handleClick}/>
            </div>
        )
    }
});
ReactDOM.render(
    <MyComponent />,
    document.getElementById('example')
)
</script>
</body>
</html>
